java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 14:20:45,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 14:20:45,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 14:20:45,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 14:20:45,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 14:20:45,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 14:20:45,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 14:20:45,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 14:20:45,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 14:20:45,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 14:20:45,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 14:20:45,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 14:20:45,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 14:20:45,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 14:20:45,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 14:20:45,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 14:20:45,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 14:20:45,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 14:20:45,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 14:20:45,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 14:20:45,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 14:20:45,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 14:20:45,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 14:20:45,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 14:20:45,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 14:20:45,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 14:20:45,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 14:20:45,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 14:20:45,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 14:20:45,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 14:20:45,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 14:20:45,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 14:20:45,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 14:20:45,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 14:20:45,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 14:20:45,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 14:20:45,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 14:20:45,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 14:20:45,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 14:20:45,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 14:20:45,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 14:20:45,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 14:20:45,360 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 14:20:45,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 14:20:45,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 14:20:45,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 14:20:45,361 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 14:20:45,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 14:20:45,362 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 14:20:45,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 14:20:45,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 14:20:45,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 14:20:45,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 14:20:45,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 14:20:45,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 14:20:45,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 14:20:45,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 14:20:45,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 14:20:45,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 14:20:45,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 14:20:45,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 14:20:45,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 14:20:45,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 14:20:45,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:20:45,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 14:20:45,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 14:20:45,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 14:20:45,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 14:20:45,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 14:20:45,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 14:20:45,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 14:20:45,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 14:20:45,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 14:20:45,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 14:20:45,414 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 14:20:45,415 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 14:20:45,415 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-09-18 14:20:45,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/febf8d6f7/2b2d595c934d4c1a846bee6fcf7f76a5/FLAGbf03ce250 [2019-09-18 14:20:46,028 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 14:20:46,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-09-18 14:20:46,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/febf8d6f7/2b2d595c934d4c1a846bee6fcf7f76a5/FLAGbf03ce250 [2019-09-18 14:20:46,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/febf8d6f7/2b2d595c934d4c1a846bee6fcf7f76a5 [2019-09-18 14:20:46,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 14:20:46,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 14:20:46,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 14:20:46,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 14:20:46,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 14:20:46,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:20:46" (1/1) ... [2019-09-18 14:20:46,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a34633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:46, skipping insertion in model container [2019-09-18 14:20:46,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:20:46" (1/1) ... [2019-09-18 14:20:46,368 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 14:20:46,421 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 14:20:46,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:20:46,903 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 14:20:46,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 14:20:47,032 INFO L192 MainTranslator]: Completed translation [2019-09-18 14:20:47,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:47 WrapperNode [2019-09-18 14:20:47,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 14:20:47,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 14:20:47,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 14:20:47,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 14:20:47,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:47" (1/1) ... [2019-09-18 14:20:47,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:47" (1/1) ... [2019-09-18 14:20:47,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:47" (1/1) ... [2019-09-18 14:20:47,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:47" (1/1) ... [2019-09-18 14:20:47,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:47" (1/1) ... [2019-09-18 14:20:47,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:47" (1/1) ... [2019-09-18 14:20:47,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:47" (1/1) ... [2019-09-18 14:20:47,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 14:20:47,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 14:20:47,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 14:20:47,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 14:20:47,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:20:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 14:20:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 14:20:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 14:20:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 14:20:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:20:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:20:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:20:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 14:20:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 14:20:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-18 14:20:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 14:20:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 14:20:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 14:20:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 14:20:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 14:20:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 14:20:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 14:20:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 14:20:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 14:20:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 14:20:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 14:20:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 14:20:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 14:20:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 14:20:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 14:20:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 14:20:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 14:20:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 14:20:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 14:20:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 14:20:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 14:20:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 14:20:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 14:20:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 14:20:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 14:20:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 14:20:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 14:20:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 14:20:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 14:20:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 14:20:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 14:20:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 14:20:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 14:20:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 14:20:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 14:20:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 14:20:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-18 14:20:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-18 14:20:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-18 14:20:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 14:20:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 14:20:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 14:20:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 14:20:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 14:20:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 14:20:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 14:20:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 14:20:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 14:20:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 14:20:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-18 14:20:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 14:20:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 14:20:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 14:20:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 14:20:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 14:20:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 14:20:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 14:20:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 14:20:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 14:20:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 14:20:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 14:20:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 14:20:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 14:20:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 14:20:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 14:20:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 14:20:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 14:20:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 14:20:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 14:20:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 14:20:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 14:20:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 14:20:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 14:20:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 14:20:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 14:20:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 14:20:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 14:20:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 14:20:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 14:20:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 14:20:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 14:20:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 14:20:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 14:20:48,522 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 14:20:48,522 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 14:20:48,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:20:48 BoogieIcfgContainer [2019-09-18 14:20:48,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 14:20:48,524 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 14:20:48,524 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 14:20:48,525 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 14:20:48,526 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:20:48" (1/1) ... [2019-09-18 14:20:48,526 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 14:20:48,548 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 14:20:48,548 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 14:20:48,557 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 14:20:48,565 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 14:20:48,567 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 14:20:49,200 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-18 14:20:49,373 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-18 14:20:49,694 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-18 14:20:49,921 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-18 14:20:50,380 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2019-09-18 14:20:50,840 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 119 [2019-09-18 14:20:51,428 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2019-09-18 14:20:51,944 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2019-09-18 14:20:52,757 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 163 [2019-09-18 14:20:53,495 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 162 [2019-09-18 14:20:54,541 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 182 [2019-09-18 14:20:55,304 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 177 [2019-09-18 14:20:56,592 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 219 DAG size of output: 201 [2019-09-18 14:20:57,515 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 198 [2019-09-18 14:20:59,155 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 211 [2019-09-18 14:21:00,216 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 208 [2019-09-18 14:21:02,263 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 298 DAG size of output: 244 [2019-09-18 14:21:03,475 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 276 DAG size of output: 239 [2019-09-18 14:21:05,996 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 332 DAG size of output: 271 [2019-09-18 14:21:06,211 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 14:21:07,649 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 321 DAG size of output: 272 [2019-09-18 14:21:08,074 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 14:21:10,714 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 373 DAG size of output: 289 [2019-09-18 14:21:12,413 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 334 DAG size of output: 286 [2019-09-18 14:21:12,886 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 14:21:16,007 WARN L191 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 377 DAG size of output: 310 [2019-09-18 14:21:17,881 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 343 DAG size of output: 305 [2019-09-18 14:21:18,260 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 14:21:20,624 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 456 DAG size of output: 319 [2019-09-18 14:21:22,644 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 369 DAG size of output: 314 [2019-09-18 14:21:23,690 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 14:21:28,058 WARN L191 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 487 DAG size of output: 328 [2019-09-18 14:21:30,198 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 375 DAG size of output: 323 [2019-09-18 14:21:31,553 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 14:21:36,474 WARN L191 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 509 DAG size of output: 336 [2019-09-18 14:21:36,772 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 14:21:38,832 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 385 DAG size of output: 333 [2019-09-18 14:21:40,507 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 14:21:46,377 WARN L191 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 623 DAG size of output: 346 [2019-09-18 14:21:46,713 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 14:21:48,966 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 408 DAG size of output: 343 [2019-09-18 14:21:51,171 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 14:21:58,569 WARN L191 SmtUtils]: Spent 7.39 s on a formula simplification. DAG size of input: 670 DAG size of output: 356 [2019-09-18 14:21:58,912 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 14:22:01,294 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 420 DAG size of output: 353 [2019-09-18 14:22:04,046 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 14:22:12,429 WARN L191 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 779 DAG size of output: 366 [2019-09-18 14:22:12,902 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 14:22:15,559 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 429 DAG size of output: 365 [2019-09-18 14:22:18,636 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 14:22:28,686 WARN L191 SmtUtils]: Spent 10.03 s on a formula simplification. DAG size of input: 854 DAG size of output: 378 [2019-09-18 14:22:29,136 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 14:22:31,974 WARN L191 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 453 DAG size of output: 377 [2019-09-18 14:22:35,884 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 14:22:47,752 WARN L191 SmtUtils]: Spent 11.85 s on a formula simplification. DAG size of input: 883 DAG size of output: 391 [2019-09-18 14:22:48,194 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 14:22:51,148 WARN L191 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 448 DAG size of output: 386 [2019-09-18 14:22:55,903 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 14:23:09,783 WARN L191 SmtUtils]: Spent 13.86 s on a formula simplification. DAG size of input: 1037 DAG size of output: 399 [2019-09-18 14:23:10,310 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 14:23:13,647 WARN L191 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 485 DAG size of output: 400 [2019-09-18 14:23:19,381 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 14:23:35,868 WARN L191 SmtUtils]: Spent 16.46 s on a formula simplification. DAG size of input: 1075 DAG size of output: 413 [2019-09-18 14:23:36,444 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 14:23:39,992 WARN L191 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 500 DAG size of output: 414 [2019-09-18 14:23:46,757 WARN L191 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 14:24:05,224 WARN L191 SmtUtils]: Spent 18.43 s on a formula simplification. DAG size of input: 1100 DAG size of output: 427 [2019-09-18 14:24:05,797 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 14:24:09,442 WARN L191 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 511 DAG size of output: 424 [2019-09-18 14:24:11,221 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 14:24:12,967 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 14:24:12,978 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 14:24:13,048 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 14:24:13,061 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 14:24:24,533 WARN L191 SmtUtils]: Spent 11.24 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:24:29,987 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:24:41,072 WARN L191 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:24:46,455 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:24:57,382 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:25:02,810 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:25:13,698 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:25:19,164 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:25:30,102 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:25:35,501 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:25:46,476 WARN L191 SmtUtils]: Spent 10.97 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:25:51,881 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:26:02,759 WARN L191 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:26:08,125 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:26:19,121 WARN L191 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:26:24,553 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:26:35,495 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 14:26:40,980 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 14:26:59,978 WARN L191 SmtUtils]: Spent 18.41 s on a formula simplification. DAG size of input: 469 DAG size of output: 463 [2019-09-18 14:27:09,155 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 14:27:24,167 WARN L191 SmtUtils]: Spent 14.81 s on a formula simplification. DAG size of input: 469 DAG size of output: 462 [2019-09-18 14:27:31,470 WARN L191 SmtUtils]: Spent 7.30 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 14:27:46,278 WARN L191 SmtUtils]: Spent 14.81 s on a formula simplification. DAG size of input: 469 DAG size of output: 462 [2019-09-18 14:27:53,527 WARN L191 SmtUtils]: Spent 7.25 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 14:28:08,167 WARN L191 SmtUtils]: Spent 14.62 s on a formula simplification. DAG size of input: 467 DAG size of output: 462 [2019-09-18 14:28:15,397 WARN L191 SmtUtils]: Spent 7.23 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 14:28:22,640 WARN L191 SmtUtils]: Spent 7.23 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:28:29,890 WARN L191 SmtUtils]: Spent 7.25 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 14:28:40,682 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 14:28:51,567 WARN L191 SmtUtils]: Spent 10.88 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 14:29:06,148 WARN L191 SmtUtils]: Spent 14.40 s on a formula simplification. DAG size of input: 491 DAG size of output: 460 [2019-09-18 14:29:13,104 WARN L191 SmtUtils]: Spent 6.96 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 14:29:27,476 WARN L191 SmtUtils]: Spent 14.33 s on a formula simplification. DAG size of input: 474 DAG size of output: 462 [2019-09-18 14:29:34,571 WARN L191 SmtUtils]: Spent 7.09 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 14:29:49,234 WARN L191 SmtUtils]: Spent 14.66 s on a formula simplification. DAG size of input: 474 DAG size of output: 462 [2019-09-18 14:29:56,306 WARN L191 SmtUtils]: Spent 7.07 s on a formula simplification that was a NOOP. DAG size: 462 [2019-09-18 14:30:21,754 WARN L191 SmtUtils]: Spent 25.43 s on a formula simplification. DAG size of input: 472 DAG size of output: 460 [2019-09-18 14:30:28,983 WARN L191 SmtUtils]: Spent 7.23 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 14:30:36,233 WARN L191 SmtUtils]: Spent 7.24 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 14:30:43,615 WARN L191 SmtUtils]: Spent 7.38 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 14:31:05,570 WARN L191 SmtUtils]: Spent 21.93 s on a formula simplification. DAG size of input: 481 DAG size of output: 474 [2019-09-18 14:31:16,408 WARN L191 SmtUtils]: Spent 10.84 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-18 14:31:31,128 WARN L191 SmtUtils]: Spent 14.57 s on a formula simplification. DAG size of input: 487 DAG size of output: 459 [2019-09-18 14:31:38,306 WARN L191 SmtUtils]: Spent 7.18 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 14:31:52,831 WARN L191 SmtUtils]: Spent 14.48 s on a formula simplification. DAG size of input: 471 DAG size of output: 461 [2019-09-18 14:32:00,093 WARN L191 SmtUtils]: Spent 7.26 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 14:32:14,657 WARN L191 SmtUtils]: Spent 14.56 s on a formula simplification. DAG size of input: 471 DAG size of output: 461 [2019-09-18 14:32:21,918 WARN L191 SmtUtils]: Spent 7.26 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 14:32:36,747 WARN L191 SmtUtils]: Spent 14.82 s on a formula simplification. DAG size of input: 470 DAG size of output: 461 [2019-09-18 14:32:43,918 WARN L191 SmtUtils]: Spent 7.17 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 14:32:51,300 WARN L191 SmtUtils]: Spent 7.37 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 14:32:58,621 WARN L191 SmtUtils]: Spent 7.32 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-18 14:33:13,308 WARN L191 SmtUtils]: Spent 14.50 s on a formula simplification. DAG size of input: 490 DAG size of output: 467 [2019-09-18 14:33:20,368 WARN L191 SmtUtils]: Spent 7.06 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 14:33:43,844 WARN L191 SmtUtils]: Spent 23.39 s on a formula simplification. DAG size of input: 477 DAG size of output: 468 [2019-09-18 14:33:50,999 WARN L191 SmtUtils]: Spent 7.15 s on a formula simplification that was a NOOP. DAG size: 468